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Proceedings Paper

2μm single frequency fiber laser based on thulium-doped silica fiber
Author(s): Shijie Fu; Wei Shi; Jichao Lin; Qiang Fang; Quan Sheng; Haiwei Zhang; Jinwei Wen; Jianquan Yao
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Paper Abstract

Single-frequency fiber laser operating at 1950 nm has been demonstrated in an all-fiber distributed Bragg reflection (DBR) laser cavity by using a 1.9-cm commercial available Thulium-doped silica fiber, for the first time. The laser was pumped by a 793-nm single-mode diode laser and had a threshold pump power of 75 mW. The maximum output power of the single longitudinal mode laser was 18 mW and the slope efficiency with respect to the launched pump power was 11%. Moreover, the linewidth and relative intensity noise (RIN) at different pump power has been measured and analyzed. The successful demonstration with the Thulium-doped silica fiber used here is considered to further promote the commercialization of single frequency fiber laser at 2 μm.

Paper Details

Date Published: 11 March 2016
PDF: 6 pages
Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 972811 (11 March 2016); doi: 10.1117/12.2211890
Show Author Affiliations
Shijie Fu, Tianjin Univ. (China)
Wei Shi, Tianjin Univ. (China)
Jichao Lin, Tianjin Institute of Modern Laser and Optics Technology (China)
Qiang Fang, Tianjin Institute of Modern Laser and Optics Technology (China)
Tianjin Optera Laser Technology, Inc. (China)
Quan Sheng, Tianjin Univ. (China)
Haiwei Zhang, Tianjin Univ. (China)
Jinwei Wen, Tianjin Institute of Laser Technology (China)
Jianquan Yao, Tianjin Univ. (China)
Tianjin Institute of Modern Laser and Optics Technology (China)


Published in SPIE Proceedings Vol. 9728:
Fiber Lasers XIII: Technology, Systems, and Applications
John Ballato, Editor(s)

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